- Extension
- .amr
- .nut
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Nokia
- The nut file type was created by the FFmpeg project.
- Description
- An AMR file is an audio file saved in a compressed audio format developed by Ericsson. It is used by many 3G cell phones for voice recordings such as MMS messages. AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, which is designed to efficiently compress human speech audio.
- The nut file extension is associated with the NUT a patent-free, multimedia container format originally conceived by a few MPlayer and FFmpeg developers that were dissatisfied with the limitations of all currently available multimedia container formats such as AVI, Ogg or Matroska.
- MIME Type
- audio/amr
- application/x-nut
